A solitary kidney is considered an anatomical variation in clinical practice. Anatomical variation means that the anatomy of certain body parts in some individuals differs from the norm, yet does not affect their function; on the other hand, an anatomical malformation is also a difference in anatomy that adversely affects normal function.
If the only kidney is healthy, even with just one kidney, a person can still perform the work of two kidneys, meaning that only one healthy kidney is needed to live healthily.
This is the medical basis for living-donor kidney transplants: a healthy person can donate one kidney to someone else and maintain a healthy life with the remaining kidney.
Only having one kidney, although it does not affect healthy living, still has its drawbacks, as there is no "spare"; if the only kidney has problems, there is no other kidney to take over.
Now the patient's urinary system CT images appeared on the screen. Yang Ping stood up and walked closer: